1078351680 has 224 divisors, whose sum is σ = 4019556096. Its totient is φ = 239763456.

The previous prime is 1078351661. The next prime is 1078351699. The reversal of 1078351680 is 861538701.

It is an interprime number because it is at equal distance from previous prime (1078351661) and next prime (1078351699).

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246472 + ... + 250808.

Almost surely, 2^1078351680 is an apocalyptic number.

1078351680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1078351680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2009778048).

1078351680 is an abundant number, since it is smaller than the sum of its proper divisors (2941204416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1078351680 is a wasteful number, since it uses less digits than its factorization.

1078351680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401 (or 4391 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 1078351680 is about 32838.2654840355. The cubic root of 1078351680 is about 1025.4633415801.

The spelling of 1078351680 in words is "one billion, seventy-eight million, three hundred fifty-one thousand, six hundred eighty".